.login-wrap{position:relative;height:475px;margin:10px 0 20px;z-index:5}
.login-wrap .login-banner{position:absolute;left:0;top:0;width:100%;height:475px;background:url(banner_2016_bg.png)}
.login-wrap .i-inner{position:relative;z-index:3;height:475px}
.login-wrap .login-form{float:right;top:40px}